Home / 6,174.38-8,520.66-3,379.88

Finding the Fourth Proportional to 6,174.38, 8,520.66 and 3,379.88

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Solution

The fourth proportional to 6,174.38, 8,520.66 and 3,379.88 is: 4,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.38 : 8,520.66 = 3,379.88 : x
  2. Step 2: Convert to fraction form
    6,174.38/8,520.66 = 3,379.88/x
  3. Step 3: Cross multiply
    6,174.38x = 8,520.66 × 3,379.88
  4. Step 4: Simplify right side
    6,174.38x = 28,798,765.72
  5. Step 5: Solve for x
    x = 28,798,765.72/6,174.38
  6. Step 6: Final answer
    x = 4,664.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.